11031223130220 has 24 divisors (see below), whose sum is σ = 30887424764784. Its totient is φ = 2941659501376.

The previous prime is 11031223130203. The next prime is 11031223130227. The reversal of 11031223130220 is 2203132213011.

It is not an unprimeable number, because it can be changed into a prime (11031223130227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91926859359 + ... + 91926859478.

It is an arithmetic number, because the mean of its divisors is an integer number (1286976031866).

Almost surely, 2^{11031223130220} is an apocalyptic number.

11031223130220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11031223130220 is an abundant number, since it is smaller than the sum of its proper divisors (19856201634564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11031223130220 is a wasteful number, since it uses less digits than its factorization.

11031223130220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183853718849 (or 183853718847 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 11031223130220 its reverse (2203132213011), we get a palindrome (13234355343231).

The spelling of 11031223130220 in words is "eleven trillion, thirty-one billion, two hundred twenty-three million, one hundred thirty thousand, two hundred twenty".